From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6D3EDCCF2E8 for ; Mon, 19 Jan 2026 11:22:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ALn6nqHB63SSWSHKZAXGOlCrqywJbJzV6rer2n5pJl0=; b=2Buxahtbvs1WCYg7W4nsB1t9F4 dCmgIAC1rYOKURELmDvUf+XqksJAJkNFhQVKyvze1zS0ZNUSAXcliWLI0cipj4EISchNElFGerfHc Bjic00Nr8n9bW5XQDiNuy14kp2+om4sM77VMJe4YfkM2IVtnoMzRvqwCaYEwgs9E2r2cXS6V5nHQy v/lIMN8EDr/vdTR1pNB431TeUasTIcYq6kBP9Nb1SRyOUqaHOwt2LsCXOQgeCJDyTOPW1qd4WYsWg 5DNLDnNoXpILhOcJVAk99H+fw0QakHAuJAEemL2miAn4E9MeHs7ftdKKoYEjbOSDWLQKo/WlErPkh IkfYXsLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vhnKc-00000001sap-1BLw; Mon, 19 Jan 2026 11:22:02 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vhnKZ-00000001sa6-1PQL for linux-arm-kernel@lists.infradead.org; Mon, 19 Jan 2026 11:22:00 +0000 Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dvp1g3JhPzHnHKG; Mon, 19 Jan 2026 19:21:27 +0800 (CST) Received: from dubpeml500005.china.huawei.com (unknown [7.214.145.207]) by mail.maildlp.com (Postfix) with ESMTPS id 2326A40569; Mon, 19 Jan 2026 19:21:57 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml500005.china.huawei.com (7.214.145.207) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 19 Jan 2026 11:21:56 +0000 Date: Mon, 19 Jan 2026 11:21:54 +0000 From: Jonathan Cameron To: Cristian Marussi CC: , , , , , , , , , , , , , , , , Subject: Re: [PATCH v2 02/17] firmware: arm_scmi: Reduce the scope of protocols mutex Message-ID: <20260119112154.0000029d@huawei.com> In-Reply-To: <20260114114638.2290765-3-cristian.marussi@arm.com> References: <20260114114638.2290765-1-cristian.marussi@arm.com> <20260114114638.2290765-3-cristian.marussi@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml100009.china.huawei.com (7.191.174.83) To dubpeml500005.china.huawei.com (7.214.145.207) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260119_032159_610350_B0916A8A X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 14 Jan 2026 11:46:06 +0000 Cristian Marussi wrote: > Currently the mutex dedicated to the protection of the list of registered > protocols is held during all the protocol initialization phase. > > Such a wide locking region is not needed and causes problem when trying to > initialize notifications from within a protocol initialization routine. > > Reduce the scope of the protocol mutex. > > Signed-off-by: Cristian Marussi I haven't checked carefully that the new scope is appropriate but as a change in of itself, the code is correct and clean. With that in mind. Reviewed-by: Jonathan Cameron